weather.gov     
National Weather Service

Watches, Warnings & Advisories
NWS Homepage

Hazardous Weather Outlook


HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE PHOENIX AZ
524 AM MST TUE AUG 25 2009

AZZ020-CAZ030>033-261300-
LOWER COLORADO RIVER VALLEY AZ-JOSHUA TREE NATIONAL PARK-
LOWER COLORADO RIVER VALLEY CA-RIVERSIDE COUNTY/EASTERN DESERTS-
IMPERIAL COUNTY-
524 AM MST TUE AUG 25 2009 /524 AM PDT TUE AUG 25 2009/

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EXTREME WEST-
CENTRAL ARIZONA...EXTREME SOUTHEAST CALIFORNIA AND SOUTHEAST
CALIFORNIA.

.DAY ONE...TODAY AND TONIGHT

NO WEATHER HAZARDS ARE EXPECTED.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

DRY AND HOTTER WEATHER IS EXPECTED WEDNESDAY THROUGH AT LEAST FRIDAY
WITH NEAR EXCESSIVELY HOT WEATHER THURSDAY AND FRIDAY.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

$$

NATIONAL WEATHER SERVICE PHOENIX IS ON THE INTERNET AT

WEATHER.GOV/PHOENIX

ELLIS

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE PHOENIX AZ
524 AM MST TUE AUG 25 2009

AZZ021>023-026>028-261300-
WEST CENTRAL DESERTS-NORTHWEST MARICOPA COUNTY-GREATER PHOENIX AREA-
SOUTHWEST DESERTS-SOUTHWEST MARICOPA COUNTY-
NORTHWEST AND NORTH CENTRAL PINAL COUNTY-
524 AM MST TUE AUG 25 2009

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTH-CENTRAL
ARIZONA...SOUTHWEST ARIZONA AND WEST-CENTRAL ARIZONA.

.DAY ONE...TODAY AND TONIGHT

ISOLATED SHOWERS AND THUNDERSTORMS ARE EXPECTED THIS AFTERNOON AND
EVENING...BUT GENERALLY AWAY FROM THE GREATER PHOENIX AREA. SOME OF THE
STORMS COULD PRODUCE STRONG GUSTY WINDS TO OVER 50 MPH WITH BLOWING
DUST CAUSING REDUCED VISIBILITY...DANGEROUS CLOUD TO GROUND
LIGHTNING...AND HEAVY RAIN WITH LOCALIZED FLOODING.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

DRY AND HOTTER WEATHER IS EXPECTED WEDNESDAY THROUGH AT LEAST FRIDAY
WITH NEAR EXCESSIVELY HOT WEATHER THURSDAY AND FRIDAY.

AT LEAST ISOLATED SHOWERS AND THUNDERSTORMS ARE EXPECTED EARLY NEXT
WEEK. SOME OF THE STORMS COULD PRODUCE STRONG GUSTY WINDS TO OVER
50 MPH WITH BLOWING DUST CAUSING REDUCED VISIBILITY...DANGEROUS CLOUD
TO GROUND LIGHTNING...AND HEAVY RAIN WITH SOME FLOODING.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

$$

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE PHOENIX AZ
524 AM MST TUE AUG 25 2009

AZZ024-261300-
SOUTHERN GILA COUNTY/TONTO NATIONAL FOREST FOOTHILLS-
524 AM MST TUE AUG 25 2009

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EAST-CENTRAL
ARIZONA.

.DAY ONE...TODAY AND TONIGHT

ISOLATED SHOWERS AND THUNDERSTORMS ARE EXPECTED TODAY AND TONIGHT.
SOME OF THE STORMS COULD PRODUCE STRONG GUSTY WINDS TO OVER 50 MPH...
DANGEROUS CLOUD TO GROUND LIGHTNING...AND HEAVY RAIN WITH LOCALIZED
FLOODING.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

ISOLATED SHOWERS AND THUNDERSTORMS ARE EXPECTED AGAIN DURING THE
AFTERNOONS AND EVENINGS FRIDAY...SATURDAY AND SUNDAY. GREATER
COVERAGE OF STORMS IS EXPECTED BY THE AFTERNOON AND EVENING HOURS
EARLY NEXT WEEK. SOME OF THE STORMS COULD PRODUCE STRONG GUSTY WINDS
TO OVER 50 MPH...DANGEROUS CLOUD TO GROUND LIGHTNING...AND HEAVY RAIN
WITH SOME FLOODING.

.SPOTTER INFORMATION STATEMENT...WEATHER SPOTTERS ARE ENCOURAGED TO
REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING
PROCEDURES.

$$

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE PHOENIX AZ
524 AM MST TUE AUG 25 2009

AZZ025-261300-
YUMA/MARTINEZ LAKE AND VICINITY-
524 AM MST TUE AUG 25 2009

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EXTREME SOUTHWEST
ARIZONA.

.DAY ONE...TODAY AND TONIGHT

THERE IS A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS THIS AFTERNOON
AND EVENING. THE STORMS COULD PRODUCE STRONG GUSTY WINDS TO OVER 50
MPH WITH BLOWING DUST CAUSING REDUCED VISIBILITY...DANGEROUS CLOUD TO
GROUND LIGHTNING...AND HEAVY RAIN WITH LOCALIZED FLOODING.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

DRY AND HOTTER WEATHER WILL RETURN WEDNESDAY THROUGH AT LEAST FRIDAY
WITH NEAR EXCESSIVELY HOT WEATHER THURSDAY AND FRIDAY.

AT LEAST A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IS EXPECTED
EARLY NEXT WEEK. SOME OF THE STORMS COULD PRODUCE STRONG GUSTY WINDS
TO OVER 50 MPH WITH BLOWING DUST CAUSING REDUCED VISIBILITY...DANGEROUS
CLOUD TO GROUND LIGHTNING...AND HEAVY RAIN WITH SOME FLOODING.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

$$

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SAN DIEGO CA
400 PM PDT TUE AUG 25 2009

CAZ042-043-048-050-055>058-060>062-PZZ750-775-261200-
ORANGE COUNTY COASTAL AREAS-SAN DIEGO COUNTY COASTAL AREAS-
SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS-THE INLAND EMPIRE-
SAN DIEGO COUNTY VALLEYS-SAN BERNARDINO COUNTY MOUNTAINS-
RIVERSIDE COUNTY MOUNTAINS-SANTA ANA MOUNTAINS AND FOOTHILLS-
SAN DIEGO COUNTY MOUNTAINS-APPLE AND LUCERNE VALLEYS-
COACHELLA VALLEY-SAN DIEGO COUNTY DESERTS-
COASTAL WATERS FROM SAN MATEO POINT TO THE MEXICAN BORDER AND OUT
30 NM-
WATERS FROM SAN MATEO POINT TO THE MEXICAN BORDER EXTENDING 30 TO
60 NM OUT INCLUDING SAN CLEMENTE ISLAND-
400 PM PDT TUE AUG 25 2009

THIS HAZARDOUS WEATHER OUTLOOK IS FOR EXTREME SOUTHWESTERN
CALIFORNIA.

.DAY ONE...REMAINDER OF THIS AFTERNOON AND TONIGHT.

A LONG PERIOD SOUTH SWELL WILL BRING LOCAL HIGHER THAN NORMAL SURF
AND HIGH RIP CURRENT RISK.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH TUESDAY.

A LONG PERIOD SOUTH SWELL WILL BRING LOCAL HIGHER THAN NORMAL SURF
AND HIGH RIP CURRENT RISK WEDNESDAY.

STRONG UPPER LEVEL HIGH PRESSURE WILL BRING HOT WEATHER INTO THE
WEEKEND. AVOID HEAT EXHAUSTION AND HEATSTROKE BY AVOIDING STRENUOUS
ACTIVITIES DURING THE HOTTEST PART OF THE DAY. WEAR LIGHT WEIGHT
CLOTHING AND DRINK PLENTY OF WATER. NEVER LEAVE PEOPLE OR PETS IN
ENCLOSED AUTOMOBILES...EVEN FOR A SHORT TIME.

.SPOTTER INFORMATION STATEMENT...SKYWARN SPOTTER ACTIVATION IS NOT
REQUESTED FOR THIS AREA...HOWEVER WEATHER SPOTTERS ARE ENCOURAGED TO
REPORT SIGNIFICANT WEATHER CONDITIONS.

$$

ATKIN

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE EL PASO TX/SANTA TERESA NM
115 PM MDT TUE AUG 25 2009

NMZ022>025-030>032-TXZ055-056-261915-
SOUTHWEST MOUNTAINS/LOWER GILA REGION-SIERRA COUNTY LAKES REGION-
TULAROSA BASIN/SOUTHERN DESERT-SOUTHERN SACRAMENTO MOUNTAINS-
SOUTHWEST DESERT/BOOTHEEL-SOUTHWEST DESERT/MIMBRES BASIN-
SOUTHERN DESERT-EL PASO-HUDSPETH-
115 PM MDT TUE AUG 25 2009

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTH CENTRAL
NEW MEXICO...SOUTHWEST NEW MEXICO AND SOUTHWEST TEXAS.

.DAY ONE...THIS AFTERNOON AND TONIGHT

ISOLATED TO SCATTERED THUNDERSTORMS WILL OCCUR...A FEW STORMS MAY
CAUSE LOCALLY HEAVY RAINFALL. A FLASH FLOOD WATCH IS IN EFFECT FOR
PORTIONS OF SOUTHERN NEW MEXICO.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

ISOLATED THUNDERSTORMS WILL CONTINUE THROUGH THE WEEKEND. BUT THE
THREAT OF HEAVY RAINFALL WILL DIMINISH AFTER THIS EVENING.

.SPOTTER INFORMATION STATEMENT...
SPOTTERS SHOULD REPORT SIGNIFICANT WEATHER TO THE NATIONAL WEATHER
SERVICE VIA OUR 800 NUMBER OR TO LOCAL LAW ENFORCEMENT.

$$

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
525 AM MDT TUE AUG 25 2009

UTZ001>016-019>021-517-518-WYZ021-261200-
CACHE VALLEY/UTAH PORTION-NORTHERN WASATCH FRONT-
SALT LAKE AND TOOELE VALLEYS-SOUTHERN WASATCH FRONT-
GREAT SALT LAKE DESERT AND MOUNTAINS-WASATCH MOUNTAIN VALLEYS-
WASATCH MOUNTAINS I-80 NORTH-WASATCH MOUNTAINS SOUTH OF I-80-
WESTERN UINTA MOUNTAINS-WASATCH PLATEAU/BOOK CLIFFS-
WESTERN UINTA BASIN-CASTLE COUNTRY-SAN RAFAEL SWELL-
SANPETE/SEVIER VALLEYS-WEST CENTRAL UTAH-SOUTHWEST UTAH-
UTAHS DIXIE AND ZION NATIONAL PARK-SOUTH CENTRAL UTAH-
GLEN CANYON RECREATION AREA/LAKE POWELL-CENTRAL MOUNTAINS-
SOUTHERN MOUNTAINS-SOUTHWEST WYOMING-
525 AM MDT TUE AUG 25 2009

THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE WESTERN TWO THIRDS OF
UTAH AND SOUTHWEST WYOMING.

.DAY ONE...TODAY AND TONIGHT

A PASSING WEATHER SYSTEM WILL BRING ANOTHER ROUND OF SHOWERS AND
THUNDERSTORMS TO THE NORTHERN THIRD OF THE OUTLOOK AREA TODAY.
LOCALLY HEAVY RAINFALL AND DEADLY CLOUD TO GROUND LIGHTNING WILL
BE POSSIBLE. THUNDERSTORMS ARE EXPECTED TO REMAIN MORE ISOLATED
ACROSS CENTRAL AND SOUTHERN UTAH...ALTHOUGH LOCALLY HEAVY RAIN
WILL BE POSSIBLE WITH ANY STORMS WHICH DEVELOP.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

HIGH PRESSURE WILL STRENGTHEN ACROSS THE REGION DURING THE MIDDLE
TO LATTER PORTION OF THE UPCOMING WEEK. THIS WILL RESULT IN A
WARMING AND DRYING TREND...WITH TEMPERATURES 5 TO 10 DEGREES
ABOVE NORMAL BY FRIDAY.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

$$

FOR MORE INFORMATION FROM NOAA/S NATIONAL WEATHER SERVICE VISIT...
HTTP://WEATHER.GOV/SALTLAKECITY (ALL LOWER CASE)

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GRAND JUNCTION CO
521 AM MDT TUE AUG 25 2009

COZ001>014-017>023-UTZ022>025-027>029-261121-
ANIMAS RIVER BASIN-ARCHES/GRAND FLAT-CANYONLANDS/NATURAL BRIDGES-
CENTRAL COLORADO RIVER BASIN-
CENTRAL GUNNISON AND UNCOMPAHGRE RIVER BASIN-
CENTRAL YAMPA RIVER BASIN-DEBEQUE TO SILT CORRIDOR-
EASTERN UINTA BASIN-EASTERN UINTA MOUNTAINS-
ELKHEAD AND PARK MOUNTAINS-FLAT TOPS-
FOUR CORNERS/UPPER DOLORES RIVER-
GORE AND ELK MOUNTAINS/CENTRAL MOUNTAINS-GRAND AND BATTLEMENT MESAS-
GRAND VALLEY-LA SAL AND ABAJO MOUNTAINS-LOWER YAMPA RIVER BASIN-
NORTHWEST SAN JUAN MOUNTAINS-PARADOX VALLEY/LOWER DOLORES RIVER-
ROAN AND TAVAPUTS PLATEAUS-SAN JUAN RIVER BASIN-SOUTHEAST UTAH-
SOUTHWEST SAN JUAN MOUNTAINS-TAVAPUTS PLATEAU-
UNCOMPAHGRE PLATEAU AND DALLAS DIVIDE-UPPER GUNNISON RIVER VALLEY-
UPPER YAMPA RIVER BASIN-WEST ELK AND SAWATCH MOUNTAINS-
521 AM MDT TUE AUG 25 2009

THIS HAZARDOUS WEATHER OUTLOOK IS FOR EASTERN UTAH AND WESTERN
COLORADO.

.DAY ONE...TODAY AND TONIGHT...

DISTURBANCES WILL CONTINUE TO MOVE OVER COLORADO TODAY...ESPECIALLY
DURING THE AFTERNOON HOURS...AND CAUSE SHOWERS AND THUNDERSTORMS TO
FORM ACROSS EASTERN UTAH AND WESTERN COLORADO.  SOME OF THE STORMS
WILL HAVE BRIEF HEAVY RAIN ASSOCIATED WITH THEM.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY...

THERE IS A CHANCE FOR SHOWERS AND THUNDERSTORMS WEDNESDAY EVENING...
MAINLY OVER THE MOUNTAINS. GUSTY WINDS AND BRIEF HEAVY RAIN WILL
ACCOMPANY THE STORMS. ANOTHER CHANCE FOR SHOWERS AND THUNDERSTORMS
ARRIVES FRIDAY AFTERNOON AND EACH AFTERNOON THEREAFTER THROUGH
SUNDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT ANTICIPATED TODAY OR TONIGHT.

$$

U.S. Dept. of Commerce
NOAA National Weather Service
1325 East West Highway
Silver Spring, MD 20910
E-mail: w-nws.webmaster@noaa.gov
Page last modified: June 2, 2009
NATIONAL WEATHER SERVICE: for Safety, for Work, for Fun - FOR LIFE